All of Khloe Kardashian's sports boyfriends wear the same jersey number

According to the latest rumors, Khloe Kardashian seems to be spending some romantic time with a new athlete.

After being linked to both James Harden and Odell Beckham in recent months, it was a different baller she was cozying up to in Cabo this week: Cleveland Cavaliers center and NBA champion Tristan Thompson.

Now, nothing seems out of the ordinary on the surface... but let's take a closer look.

Getty

Hmmm.

Getty

Huh. Interesting.

Getty

Wait a second.

Getty

Aha!

See this, pro athletes? There's apparently a requirement, and if you want a shot, you better be able to check this box.

NEW YORK - JUNE 25: James Harden poses for a portrait prior to the 2009 NBA Draft on June 25, 2009 at the WaMu Theatre in New York, New York. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2009 NBAE (Photo by Jesse D. Garrabrant/NBAE via Getty Images)

Oklahoma City Thunder guard James Harden reacts after committing a foul against the Los Angeles Lakers during Game 3 of their NBA Western Conference playoff series in Oklahoma City, April 22, 2010. REUTERS/Bill Waugh (UNITED STATES - Tags: SPORT BASKETBALL)

Oklahoma City Thunder's Russell Westbrook (L) and James Harden watch the action against the Dallas Mavericks during Game 3 of the NBA Western Conference Final basketball playoffs in Oklahoma City, Oklahoma, May 21, 2011. REUTERS/Bill Waugh (UNITED STATES - Tags: SPORT BASKETBALL)

Oklahoma City Thunder's Kevin Durant (L) and James Harden celebrate against the Dallas Mavericks during the second half of Game 2 of the NBA Western Conference Final basketball playoff in Dallas, Texas May 19, 2011. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL IMAGES OF THE DAY)

Oklahoma City Thunder's James Harden (13) dunks the ball guarded by Los Angeles Lakers' Jordan Hill (27) as the Oklahoma City Thunder play the Los Angeles Lakers during the second half of Game 1 of the NBA Western Conference semi-final playoffs series in Oklahoma City, May 14, 2012. REUTERS/Larry Smith/Pool (UNITED STATES - Tags: SPORT BASKETBALL)

Oklahoma City Thunder small forward Kevin Durant (R), guard James Harden and injured player Eric Maynor (L) celebrate after their team defeated the San Antonio Spurs in Game 6 of the NBA Western Conference basketball finals in Oklahoma City, Oklahoma, June 6, 2012. REUTERS/Steve Sisney (UNITED STATES - Tags: SPORT BASKETBALL)

Toronto Raptors forward Amir Johnson tries to block a shot by Houston Rockets guard James Harden (L) during the first half of their NBA basketball game in Toronto December 16, 2012. REUTERS/Mike Cassese (CANADA - Tags: SPORT BASKETBALL)

Houston Rockets guard James Harden takes a defensive position against the Oklahoma City Thunder in the second half of their Game 2 NBA Playoffs basketball game in Oklahoma City, Oklahoma April 24, 2013. REUTERS/Bill Waugh (UNITED STATES - Tags: SPORT BASKETBALL)

Feb 14, 2014; New Orleans, LA, USA; Western Conference guard James Harden during the 2014 NBA All Star game Player Press Conferences at New Orleans Hyatt. Mandatory Credit: Derick E. Hingle-USA TODAY Sports

James Harden of the U.S. goes for a basket over Serbia's Nemanja Bjelica during their Basketball World Cup final game in Madrid September 14, 2014. REUTERS/Sergio Perez (SPAIN - Tags: SPORT BASKETBALL TPX IMAGES OF THE DAY)

HOUSTON, TX - MAY 11: James Harden #13 of the Houston Rockets brings the ball up court during the game against the San Antonio Spurs during Game Six of the Western Conference Semifinals of the 2017 NBA Playoffs on May 11, 2017 at the Toyota Center in Houston, Texas. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2017 NBAE (Photo by Jesse D. Garrabrant/NBAE via Getty Images)

HOUSTON, TX - MAY 11: James Harden #13 of the Houston Rockets talks with the press after the game against the San Antonio Spurs during Game Six of the Western Conference Semifinals of the 2017 NBA Playoffs on May 11, 2017 at the Toyota Center in Houston, Texas. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2017 NBAE (Photo by Jesse D. Garrabrant/NBAE via Getty Images)